This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-78253 →
DEBIAN-CVE-2026-78253
Uncontrolled recursion in QXmlStreamReader::readElementText() in Qt Group Qt allows attackers to cause a denial of service (application crash via stac...
Original description
The description as published by the source.
Uncontrolled recursion in QXmlStreamReader::readElementText() in Qt Group Qt allows attackers to cause a denial of service (application crash via stack exhaustion) via a crafted XML document.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
qt6-base
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
qt6-base
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
qt6-base
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.11.2+dfsg-5"}]}]
Debian:12
qtbase-opensource-src
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
qtbase-opensource-src
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
qtbase-opensource-src
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- advisory security-tracker.debian.org